package bishi.beike;

/**
 * @author: 唐小尊
 * @email: 1171702529@qq.com
 * @cate: 2021/08/13 21:07
 */
public class four {

    public class TreeNode {
      int val = 0;
      TreeNode left = null;
      TreeNode right = null;
      public TreeNode(int val) {
        this.val = val;
      }
    }
    public class Node{
        int node;//节点数
    }
    public int maxSubTree (TreeNode root) {
        return 0;
        // write code here
    }
}
